Type of Document	Master's Thesis
Author	Rovniak, Liza Sharon
Author's Email Address	lrovniak@vt.edu
URN	etd-0110100-144133
Title	A Prospective Investigation of Social-Cognitive Predictors of Physical Activity: Development of a Causal Model
Degree	Master of Science
Department	Psychology
Advisory Committee	Advisor Name Title Winett, Richard A. Committee Chair Anderson, Eileen S. Committee Member Stephens, Robert S. Committee Member
Keywords	self-regulation physical activity exercise self-efficacy social-cognitive
Date of Defense	1999-12-01
Availability	restricted
Abstract This study tested a model of the relationship between social-cognitive variables and physical activity in a sample of 277 university students using a prospective design. Results of structural equation modeling indicated a good fit of the social-cognitive model to the data. Self-efficacy had the greatest significant total effect on physical activity, largely through its significant association with self-regulation, which directly predicted physical activity. Social support indirectly predicted physical activity through its significant association with self-efficacy. Outcome expectations had the smallest total effect on physical activity. Overall, the social-cognitive model explained 51 percent of the variance observed in physical activity.
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